h264_cabac.c 114 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
/*
 * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding
 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
23
 * @file
24 25 26 27
 * H.264 / AVC / MPEG4 part10 cabac decoding.
 * @author Michael Niedermayer <michaelni@gmx.at>
 */

28
#define CABAC(h) 1
29
#define UNCHECKED_BITSTREAM_READER 1
30
#define INT_BIT (CHAR_BIT * sizeof(int))
31

32
#include "libavutil/attributes.h"
33
#include "libavutil/avassert.h"
34
#include "libavutil/timer.h"
35 36 37
#include "config.h"
#include "cabac.h"
#include "cabac_functions.h"
38 39 40 41 42 43
#include "internal.h"
#include "avcodec.h"
#include "h264.h"
#include "h264data.h"
#include "h264_mvpred.h"
#include "golomb.h"
44
#include "mpegutils.h"
45 46 47 48 49 50 51

#if ARCH_X86
#include "x86/h264_i386.h"
#endif

/* Cabac pre state table */

52
static const int8_t cabac_context_init_I[1024][2] =
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217
{
    /* 0 - 10 */
    { 20, -15 }, {  2, 54 },  {  3,  74 }, { 20, -15 },
    {  2,  54 }, {  3, 74 },  { -28,127 }, { -23, 104 },
    { -6,  53 }, { -1, 54 },  {  7,  51 },

    /* 11 - 23 unsused for I */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },

    /* 24- 39 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

    /* 40 - 53 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },

    /* 54 - 59 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },

    /* 60 - 69 */
    { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },
    { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },
    { 13, 41 },  { 3, 62 },

    /* 70 -> 87 */
    { 0, 11 },   { 1, 55 },   { 0, 69 },     { -17, 127 },
    { -13, 102 },{ 0, 82 },   { -7, 74 },    { -21, 107 },
    { -27, 127 },{ -31, 127 },{ -24, 127 },  { -18, 95 },
    { -27, 127 },{ -21, 114 },{ -30, 127 },  { -17, 123 },
    { -12, 115 },{ -16, 122 },

    /* 88 -> 104 */
    { -11, 115 },{ -12, 63 }, { -2, 68 },    { -15, 84 },
    { -13, 104 },{ -3, 70 },  { -8, 93 },    { -10, 90 },
    { -30, 127 },{ -1, 74 },  { -6, 97 },    { -7, 91 },
    { -20, 127 },{ -4, 56 },  { -5, 82 },    { -7, 76 },
    { -22, 125 },

    /* 105 -> 135 */
    { -7, 93 },  { -11, 87 }, { -3, 77 },    { -5, 71 },
    { -4, 63 },  { -4, 68 },  { -12, 84 },   { -7, 62 },
    { -7, 65 },  { 8, 61 },   { 5, 56 },     { -2, 66 },
    { 1, 64 },   { 0, 61 },   { -2, 78 },    { 1, 50 },
    { 7, 52 },   { 10, 35 },  { 0, 44 },     { 11, 38 },
    { 1, 45 },   { 0, 46 },   { 5, 44 },     { 31, 17 },
    { 1, 51 },   { 7, 50 },   { 28, 19 },    { 16, 33 },
    { 14, 62 },  { -13, 108 },{ -15, 100 },

    /* 136 -> 165 */
    { -13, 101 },{ -13, 91 }, { -12, 94 },   { -10, 88 },
    { -16, 84 }, { -10, 86 }, { -7, 83 },    { -13, 87 },
    { -19, 94 }, { 1, 70 },   { 0, 72 },     { -5, 74 },
    { 18, 59 },  { -8, 102 }, { -15, 100 },  { 0, 95 },
    { -4, 75 },  { 2, 72 },   { -11, 75 },   { -3, 71 },
    { 15, 46 },  { -13, 69 }, { 0, 62 },     { 0, 65 },
    { 21, 37 },  { -15, 72 }, { 9, 57 },     { 16, 54 },
    { 0, 62 },   { 12, 72 },

    /* 166 -> 196 */
    { 24, 0 },   { 15, 9 },   { 8, 25 },     { 13, 18 },
    { 15, 9 },   { 13, 19 },  { 10, 37 },    { 12, 18 },
    { 6, 29 },   { 20, 33 },  { 15, 30 },    { 4, 45 },
    { 1, 58 },   { 0, 62 },   { 7, 61 },     { 12, 38 },
    { 11, 45 },  { 15, 39 },  { 11, 42 },    { 13, 44 },
    { 16, 45 },  { 12, 41 },  { 10, 49 },    { 30, 34 },
    { 18, 42 },  { 10, 55 },  { 17, 51 },    { 17, 46 },
    { 0, 89 },   { 26, -19 }, { 22, -17 },

    /* 197 -> 226 */
    { 26, -17 }, { 30, -25 }, { 28, -20 },   { 33, -23 },
    { 37, -27 }, { 33, -23 }, { 40, -28 },   { 38, -17 },
    { 33, -11 }, { 40, -15 }, { 41, -6 },    { 38, 1 },
    { 41, 17 },  { 30, -6 },  { 27, 3 },     { 26, 22 },
    { 37, -16 }, { 35, -4 },  { 38, -8 },    { 38, -3 },
    { 37, 3 },   { 38, 5 },   { 42, 0 },     { 35, 16 },
    { 39, 22 },  { 14, 48 },  { 27, 37 },    { 21, 60 },
    { 12, 68 },  { 2, 97 },

    /* 227 -> 251 */
    { -3, 71 },  { -6, 42 },  { -5, 50 },    { -3, 54 },
    { -2, 62 },  { 0, 58 },   { 1, 63 },     { -2, 72 },
    { -1, 74 },  { -9, 91 },  { -5, 67 },    { -5, 27 },
    { -3, 39 },  { -2, 44 },  { 0, 46 },     { -16, 64 },
    { -8, 68 },  { -10, 78 }, { -6, 77 },    { -10, 86 },
    { -12, 92 }, { -15, 55 }, { -10, 60 },   { -6, 62 },
    { -4, 65 },

    /* 252 -> 275 */
    { -12, 73 }, { -8, 76 },  { -7, 80 },    { -9, 88 },
    { -17, 110 },{ -11, 97 }, { -20, 84 },   { -11, 79 },
    { -6, 73 },  { -4, 74 },  { -13, 86 },   { -13, 96 },
    { -11, 97 }, { -19, 117 },{ -8, 78 },    { -5, 33 },
    { -4, 48 },  { -2, 53 },  { -3, 62 },    { -13, 71 },
    { -10, 79 }, { -12, 86 }, { -13, 90 },   { -14, 97 },

    /* 276 a bit special (not used, bypass is used instead) */
    { 0, 0 },

    /* 277 -> 307 */
    { -6, 93 },  { -6, 84 },  { -8, 79 },    { 0, 66 },
    { -1, 71 },  { 0, 62 },   { -2, 60 },    { -2, 59 },
    { -5, 75 },  { -3, 62 },  { -4, 58 },    { -9, 66 },
    { -1, 79 },  { 0, 71 },   { 3, 68 },     { 10, 44 },
    { -7, 62 },  { 15, 36 },  { 14, 40 },    { 16, 27 },
    { 12, 29 },  { 1, 44 },   { 20, 36 },    { 18, 32 },
    { 5, 42 },   { 1, 48 },   { 10, 62 },    { 17, 46 },
    { 9, 64 },   { -12, 104 },{ -11, 97 },

    /* 308 -> 337 */
    { -16, 96 }, { -7, 88 },  { -8, 85 },    { -7, 85 },
    { -9, 85 },  { -13, 88 }, { 4, 66 },     { -3, 77 },
    { -3, 76 },  { -6, 76 },  { 10, 58 },    { -1, 76 },
    { -1, 83 },  { -7, 99 },  { -14, 95 },   { 2, 95 },
    { 0, 76 },   { -5, 74 },  { 0, 70 },     { -11, 75 },
    { 1, 68 },   { 0, 65 },   { -14, 73 },   { 3, 62 },
    { 4, 62 },   { -1, 68 },  { -13, 75 },   { 11, 55 },
    { 5, 64 },   { 12, 70 },

    /* 338 -> 368 */
    { 15, 6 },   { 6, 19 },   { 7, 16 },     { 12, 14 },
    { 18, 13 },  { 13, 11 },  { 13, 15 },    { 15, 16 },
    { 12, 23 },  { 13, 23 },  { 15, 20 },    { 14, 26 },
    { 14, 44 },  { 17, 40 },  { 17, 47 },    { 24, 17 },
    { 21, 21 },  { 25, 22 },  { 31, 27 },    { 22, 29 },
    { 19, 35 },  { 14, 50 },  { 10, 57 },    { 7, 63 },
    { -2, 77 },  { -4, 82 },  { -3, 94 },    { 9, 69 },
    { -12, 109 },{ 36, -35 }, { 36, -34 },

    /* 369 -> 398 */
    { 32, -26 }, { 37, -30 }, { 44, -32 },   { 34, -18 },
    { 34, -15 }, { 40, -15 }, { 33, -7 },    { 35, -5 },
    { 33, 0 },   { 38, 2 },   { 33, 13 },    { 23, 35 },
    { 13, 58 },  { 29, -3 },  { 26, 0 },     { 22, 30 },
    { 31, -7 },  { 35, -15 }, { 34, -3 },    { 34, 3 },
    { 36, -1 },  { 34, 5 },   { 32, 11 },    { 35, 5 },
    { 34, 12 },  { 39, 11 },  { 30, 29 },    { 34, 26 },
    { 29, 39 },  { 19, 66 },

    /* 399 -> 435 */
    {  31,  21 }, {  31,  31 }, {  25,  50 },
    { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11,  85 },
    { -15,  92 }, { -14,  89 }, { -26,  71 }, { -15,  81 },
    { -14,  80 }, {   0,  68 }, { -14,  70 }, { -24,  56 },
    { -23,  68 }, { -24,  50 }, { -11,  74 }, {  23, -13 },
    {  26, -13 }, {  40, -15 }, {  49, -14 }, {  44,   3 },
    {  45,   6 }, {  44,  34 }, {  33,  54 }, {  19,  82 },
    {  -3,  75 }, {  -1,  23 }, {   1,  34 }, {   1,  43 },
    {   0,  54 }, {  -2,  55 }, {   0,  61 }, {   1,  64 },
    {   0,  68 }, {  -9,  92 },

    /* 436 -> 459 */
    { -14, 106 }, { -13,  97 }, { -15,  90 }, { -12,  90 },
    { -18,  88 }, { -10,  73 }, {  -9,  79 }, { -14,  86 },
    { -10,  73 }, { -10,  70 }, { -10,  69 }, {  -5,  66 },
    {  -9,  64 }, {  -5,  58 }, {   2,  59 }, {  21, -10 },
    {  24, -11 }, {  28,  -8 }, {  28,  -1 }, {  29,   3 },
218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361
    {  29,   9 }, {  35,  20 }, {  29,  36 }, {  14,  67 },

    /* 460 -> 1024 */
    { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
    { -12,  63 }, {  -2,  68 }, { -15,  84 }, { -13, 104 },
    {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },
    { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
    { -12,  63 }, {  -2,  68 }, { -15,  84 }, { -13, 104 },
    {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },
    {  -7,  93 }, { -11,  87 }, {  -3,  77 }, {  -5,  71 },
    {  -4,  63 }, {  -4,  68 }, { -12,  84 }, {  -7,  62 },
    {  -7,  65 }, {   8,  61 }, {   5,  56 }, {  -2,  66 },
    {   1,  64 }, {   0,  61 }, {  -2,  78 }, {   1,  50 },
    {   7,  52 }, {  10,  35 }, {   0,  44 }, {  11,  38 },
    {   1,  45 }, {   0,  46 }, {   5,  44 }, {  31,  17 },
    {   1,  51 }, {   7,  50 }, {  28,  19 }, {  16,  33 },
    {  14,  62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
    { -13,  91 }, { -12,  94 }, { -10,  88 }, { -16,  84 },
    { -10,  86 }, {  -7,  83 }, { -13,  87 }, { -19,  94 },
    {   1,  70 }, {   0,  72 }, {  -5,  74 }, {  18,  59 },
    {  -7,  93 }, { -11,  87 }, {  -3,  77 }, {  -5,  71 },
    {  -4,  63 }, {  -4,  68 }, { -12,  84 }, {  -7,  62 },
    {  -7,  65 }, {   8,  61 }, {   5,  56 }, {  -2,  66 },
    {   1,  64 }, {   0,  61 }, {  -2,  78 }, {   1,  50 },
    {   7,  52 }, {  10,  35 }, {   0,  44 }, {  11,  38 },
    {   1,  45 }, {   0,  46 }, {   5,  44 }, {  31,  17 },
    {   1,  51 }, {   7,  50 }, {  28,  19 }, {  16,  33 },
    {  14,  62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
    { -13,  91 }, { -12,  94 }, { -10,  88 }, { -16,  84 },
    { -10,  86 }, {  -7,  83 }, { -13,  87 }, { -19,  94 },
    {   1,  70 }, {   0,  72 }, {  -5,  74 }, {  18,  59 },
    {  24,   0 }, {  15,   9 }, {   8,  25 }, {  13,  18 },
    {  15,   9 }, {  13,  19 }, {  10,  37 }, {  12,  18 },
    {   6,  29 }, {  20,  33 }, {  15,  30 }, {   4,  45 },
    {   1,  58 }, {   0,  62 }, {   7,  61 }, {  12,  38 },
    {  11,  45 }, {  15,  39 }, {  11,  42 }, {  13,  44 },
    {  16,  45 }, {  12,  41 }, {  10,  49 }, {  30,  34 },
    {  18,  42 }, {  10,  55 }, {  17,  51 }, {  17,  46 },
    {   0,  89 }, {  26, -19 }, {  22, -17 }, {  26, -17 },
    {  30, -25 }, {  28, -20 }, {  33, -23 }, {  37, -27 },
    {  33, -23 }, {  40, -28 }, {  38, -17 }, {  33, -11 },
    {  40, -15 }, {  41,  -6 }, {  38,   1 }, {  41,  17 },
    {  24,   0 }, {  15,   9 }, {   8,  25 }, {  13,  18 },
    {  15,   9 }, {  13,  19 }, {  10,  37 }, {  12,  18 },
    {   6,  29 }, {  20,  33 }, {  15,  30 }, {   4,  45 },
    {   1,  58 }, {   0,  62 }, {   7,  61 }, {  12,  38 },
    {  11,  45 }, {  15,  39 }, {  11,  42 }, {  13,  44 },
    {  16,  45 }, {  12,  41 }, {  10,  49 }, {  30,  34 },
    {  18,  42 }, {  10,  55 }, {  17,  51 }, {  17,  46 },
    {   0,  89 }, {  26, -19 }, {  22, -17 }, {  26, -17 },
    {  30, -25 }, {  28, -20 }, {  33, -23 }, {  37, -27 },
    {  33, -23 }, {  40, -28 }, {  38, -17 }, {  33, -11 },
    {  40, -15 }, {  41,  -6 }, {  38,   1 }, {  41,  17 },
    { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11,  85 },
    { -15,  92 }, { -14,  89 }, { -26,  71 }, { -15,  81 },
    { -14,  80 }, {   0,  68 }, { -14,  70 }, { -24,  56 },
    { -23,  68 }, { -24,  50 }, { -11,  74 }, { -14, 106 },
    { -13,  97 }, { -15,  90 }, { -12,  90 }, { -18,  88 },
    { -10,  73 }, {  -9,  79 }, { -14,  86 }, { -10,  73 },
    { -10,  70 }, { -10,  69 }, {  -5,  66 }, {  -9,  64 },
    {  -5,  58 }, {   2,  59 }, {  23, -13 }, {  26, -13 },
    {  40, -15 }, {  49, -14 }, {  44,   3 }, {  45,   6 },
    {  44,  34 }, {  33,  54 }, {  19,  82 }, {  21, -10 },
    {  24, -11 }, {  28,  -8 }, {  28,  -1 }, {  29,   3 },
    {  29,   9 }, {  35,  20 }, {  29,  36 }, {  14,  67 },
    {  -3,  75 }, {  -1,  23 }, {   1,  34 }, {   1,  43 },
    {   0,  54 }, {  -2,  55 }, {   0,  61 }, {   1,  64 },
    {   0,  68 }, {  -9,  92 }, { -17, 120 }, { -20, 112 },
    { -18, 114 }, { -11,  85 }, { -15,  92 }, { -14,  89 },
    { -26,  71 }, { -15,  81 }, { -14,  80 }, {   0,  68 },
    { -14,  70 }, { -24,  56 }, { -23,  68 }, { -24,  50 },
    { -11,  74 }, { -14, 106 }, { -13,  97 }, { -15,  90 },
    { -12,  90 }, { -18,  88 }, { -10,  73 }, {  -9,  79 },
    { -14,  86 }, { -10,  73 }, { -10,  70 }, { -10,  69 },
    {  -5,  66 }, {  -9,  64 }, {  -5,  58 }, {   2,  59 },
    {  23, -13 }, {  26, -13 }, {  40, -15 }, {  49, -14 },
    {  44,   3 }, {  45,   6 }, {  44,  34 }, {  33,  54 },
    {  19,  82 }, {  21, -10 }, {  24, -11 }, {  28,  -8 },
    {  28,  -1 }, {  29,   3 }, {  29,   9 }, {  35,  20 },
    {  29,  36 }, {  14,  67 }, {  -3,  75 }, {  -1,  23 },
    {   1,  34 }, {   1,  43 }, {   0,  54 }, {  -2,  55 },
    {   0,  61 }, {   1,  64 }, {   0,  68 }, {  -9,  92 },
    {  -6,  93 }, {  -6,  84 }, {  -8,  79 }, {   0,  66 },
    {  -1,  71 }, {   0,  62 }, {  -2,  60 }, {  -2,  59 },
    {  -5,  75 }, {  -3,  62 }, {  -4,  58 }, {  -9,  66 },
    {  -1,  79 }, {   0,  71 }, {   3,  68 }, {  10,  44 },
    {  -7,  62 }, {  15,  36 }, {  14,  40 }, {  16,  27 },
    {  12,  29 }, {   1,  44 }, {  20,  36 }, {  18,  32 },
    {   5,  42 }, {   1,  48 }, {  10,  62 }, {  17,  46 },
    {   9,  64 }, { -12, 104 }, { -11,  97 }, { -16,  96 },
    {  -7,  88 }, {  -8,  85 }, {  -7,  85 }, {  -9,  85 },
    { -13,  88 }, {   4,  66 }, {  -3,  77 }, {  -3,  76 },
    {  -6,  76 }, {  10,  58 }, {  -1,  76 }, {  -1,  83 },
    {  -6,  93 }, {  -6,  84 }, {  -8,  79 }, {   0,  66 },
    {  -1,  71 }, {   0,  62 }, {  -2,  60 }, {  -2,  59 },
    {  -5,  75 }, {  -3,  62 }, {  -4,  58 }, {  -9,  66 },
    {  -1,  79 }, {   0,  71 }, {   3,  68 }, {  10,  44 },
    {  -7,  62 }, {  15,  36 }, {  14,  40 }, {  16,  27 },
    {  12,  29 }, {   1,  44 }, {  20,  36 }, {  18,  32 },
    {   5,  42 }, {   1,  48 }, {  10,  62 }, {  17,  46 },
    {   9,  64 }, { -12, 104 }, { -11,  97 }, { -16,  96 },
    {  -7,  88 }, {  -8,  85 }, {  -7,  85 }, {  -9,  85 },
    { -13,  88 }, {   4,  66 }, {  -3,  77 }, {  -3,  76 },
    {  -6,  76 }, {  10,  58 }, {  -1,  76 }, {  -1,  83 },
    {  15,   6 }, {   6,  19 }, {   7,  16 }, {  12,  14 },
    {  18,  13 }, {  13,  11 }, {  13,  15 }, {  15,  16 },
    {  12,  23 }, {  13,  23 }, {  15,  20 }, {  14,  26 },
    {  14,  44 }, {  17,  40 }, {  17,  47 }, {  24,  17 },
    {  21,  21 }, {  25,  22 }, {  31,  27 }, {  22,  29 },
    {  19,  35 }, {  14,  50 }, {  10,  57 }, {   7,  63 },
    {  -2,  77 }, {  -4,  82 }, {  -3,  94 }, {   9,  69 },
    { -12, 109 }, {  36, -35 }, {  36, -34 }, {  32, -26 },
    {  37, -30 }, {  44, -32 }, {  34, -18 }, {  34, -15 },
    {  40, -15 }, {  33,  -7 }, {  35,  -5 }, {  33,   0 },
    {  38,   2 }, {  33,  13 }, {  23,  35 }, {  13,  58 },
    {  15,   6 }, {   6,  19 }, {   7,  16 }, {  12,  14 },
    {  18,  13 }, {  13,  11 }, {  13,  15 }, {  15,  16 },
    {  12,  23 }, {  13,  23 }, {  15,  20 }, {  14,  26 },
    {  14,  44 }, {  17,  40 }, {  17,  47 }, {  24,  17 },
    {  21,  21 }, {  25,  22 }, {  31,  27 }, {  22,  29 },
    {  19,  35 }, {  14,  50 }, {  10,  57 }, {   7,  63 },
    {  -2,  77 }, {  -4,  82 }, {  -3,  94 }, {   9,  69 },
    { -12, 109 }, {  36, -35 }, {  36, -34 }, {  32, -26 },
    {  37, -30 }, {  44, -32 }, {  34, -18 }, {  34, -15 },
    {  40, -15 }, {  33,  -7 }, {  35,  -5 }, {  33,   0 },
    {  38,   2 }, {  33,  13 }, {  23,  35 }, {  13,  58 },
    {  -3,  71 }, {  -6,  42 }, {  -5,  50 }, {  -3,  54 },
    {  -2,  62 }, {   0,  58 }, {   1,  63 }, {  -2,  72 },
    {  -1,  74 }, {  -9,  91 }, {  -5,  67 }, {  -5,  27 },
    {  -3,  39 }, {  -2,  44 }, {   0,  46 }, { -16,  64 },
    {  -8,  68 }, { -10,  78 }, {  -6,  77 }, { -10,  86 },
    { -12,  92 }, { -15,  55 }, { -10,  60 }, {  -6,  62 },
    {  -4,  65 }, { -12,  73 }, {  -8,  76 }, {  -7,  80 },
    {  -9,  88 }, { -17, 110 }, {  -3,  71 }, {  -6,  42 },
    {  -5,  50 }, {  -3,  54 }, {  -2,  62 }, {   0,  58 },
    {   1,  63 }, {  -2,  72 }, {  -1,  74 }, {  -9,  91 },
    {  -5,  67 }, {  -5,  27 }, {  -3,  39 }, {  -2,  44 },
    {   0,  46 }, { -16,  64 }, {  -8,  68 }, { -10,  78 },
    {  -6,  77 }, { -10,  86 }, { -12,  92 }, { -15,  55 },
    { -10,  60 }, {  -6,  62 }, {  -4,  65 }, { -12,  73 },
    {  -8,  76 }, {  -7,  80 }, {  -9,  88 }, { -17, 110 },
    {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },
    {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },
    {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 }
362 363
};

364
static const int8_t cabac_context_init_PB[3][1024][2] =
365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519
{
    /* i_cabac_init_idc == 0 */
    {
        /* 0 - 10 */
        {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },
        {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },
        {  -6,  53 }, {  -1,  54 }, {   7,  51 },

        /* 11 - 23 */
        {  23,  33 }, {  23,   2 }, {  21,   0 }, {   1,   9 },
        {   0,  49 }, { -37, 118 }, {   5,  57 }, { -13,  78 },
        { -11,  65 }, {   1,  62 }, {  12,  49 }, {  -4,  73 },
        {  17,  50 },

        /* 24 - 39 */
        {  18,  64 }, {   9,  43 }, {  29,   0 }, {  26,  67 },
        {  16,  90 }, {   9, 104 }, { -46, 127 }, { -20, 104 },
        {   1,  67 }, { -13,  78 }, { -11,  65 }, {   1,  62 },
        {  -6,  86 }, { -17,  95 }, {  -6,  61 }, {   9,  45 },

        /* 40 - 53 */
        {  -3,  69 }, {  -6,  81 }, { -11,  96 }, {   6,  55 },
        {   7,  67 }, {  -5,  86 }, {   2,  88 }, {   0,  58 },
        {  -3,  76 }, { -10,  94 }, {   5,  54 }, {   4,  69 },
        {  -3,  81 }, {   0,  88 },

        /* 54 - 59 */
        {  -7,  67 }, {  -5,  74 }, {  -4,  74 }, {  -5,  80 },
        {  -7,  72 }, {   1,  58 },

        /* 60 - 69 */
        {   0,  41 }, {   0,  63 }, {   0,  63 }, { 0, 63 },
        {  -9,  83 }, {   4,  86 }, {   0,  97 }, { -7, 72 },
        {  13,  41 }, {   3,  62 },

        /* 70 - 87 */
        {   0,  45 }, {  -4,  78 }, {  -3,  96 }, { -27,  126 },
        { -28,  98 }, { -25, 101 }, { -23,  67 }, { -28,  82 },
        { -20,  94 }, { -16,  83 }, { -22, 110 }, { -21,  91 },
        { -18, 102 }, { -13,  93 }, { -29, 127 }, {  -7,  92 },
        {  -5,  89 }, {  -7,  96 }, { -13, 108 }, {  -3,  46 },
        {  -1,  65 }, {  -1,  57 }, {  -9,  93 }, {  -3,  74 },
        {  -9,  92 }, {  -8,  87 }, { -23, 126 }, {   5,  54 },
        {   6,  60 }, {   6,  59 }, {   6,  69 }, {  -1,  48 },
        {   0,  68 }, {  -4,  69 }, {  -8,  88 },

        /* 105 -> 165 */
        {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },
        {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },
        {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },
        {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },
        {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },
        {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },
        {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },
        {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },
        {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },
        {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },
        {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },
        {   3,  64 }, {   1,  61 }, {   9,  63 }, {   7,  50 },
        {  16,  39 }, {   5,  44 }, {   4,  52 }, {  11,  48 },
        {  -5,  60 }, {  -1,  59 }, {   0,  59 }, {  22,  33 },
        {   5,  44 }, {  14,  43 }, {  -1,  78 }, {   0,  60 },
        {   9,  69 },

        /* 166 - 226 */
        {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },
        {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },
        {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },
        {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },
        {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },
        {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },
        {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },
        {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },
        {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },
        {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },
        {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },
        {   1,  67 }, {   5,  59 }, {   9,  67 }, {  16,  30 },
        {  18,  32 }, {  18,  35 }, {  22,  29 }, {  24,  31 },
        {  23,  38 }, {  18,  43 }, {  20,  41 }, {  11,  63 },
        {   9,  59 }, {   9,  64 }, {  -1,  94 }, {  -2,  89 },
        {  -9, 108 },

        /* 227 - 275 */
        {  -6,  76 }, {  -2,  44 }, {   0,  45 }, {   0,  52 },
        {  -3,  64 }, {  -2,  59 }, {  -4,  70 }, {  -4,  75 },
        {  -8,  82 }, { -17, 102 }, {  -9,  77 }, {   3,  24 },
        {   0,  42 }, {   0,  48 }, {   0,  55 }, {  -6,  59 },
        {  -7,  71 }, { -12,  83 }, { -11,  87 }, { -30, 119 },
        {   1,  58 }, {  -3,  29 }, {  -1,  36 }, {   1,  38 },
        {   2,  43 }, {  -6,  55 }, {   0,  58 }, {   0,  64 },
        {  -3,  74 }, { -10,  90 }, {   0,  70 }, {  -4,  29 },
        {   5,  31 }, {   7,  42 }, {   1,  59 }, {  -2,  58 },
        {  -3,  72 }, {  -3,  81 }, { -11,  97 }, {   0,  58 },
        {   8,   5 }, {  10,  14 }, {  14,  18 }, {  13,  27 },
        {   2,  40 }, {   0,  58 }, {  -3,  70 }, {  -6,  79 },
        {  -8,  85 },

        /* 276 a bit special (not used, bypass is used instead) */
        { 0, 0 },

        /* 277 - 337 */
        { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },
        { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },
        { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
        { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },
        { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },
        { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },
        {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },
        {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },
        {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },
        {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },
        {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },
        {  -2,  69 }, {  -2,  59 }, {   6,  70 }, {  10,  44 },
        {   9,  31 }, {  12,  43 }, {   3,  53 }, {  14,  34 },
        {  10,  38 }, {  -3,  52 }, {  13,  40 }, {  17,  32 },
        {   7,  44 }, {   7,  38 }, {  13,  50 }, {  10,  57 },
        {  26,  43 },

        /* 338 - 398 */
        {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },
        {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },
        {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },
        {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },
        {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },
        {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },
        {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },
        { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },
        {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },
        {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },
        {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },
        {   8,  60 }, {   6,  63 }, {  17,  65 }, {  21,  24 },
        {  23,  20 }, {  26,  23 }, {  27,  32 }, {  28,  23 },
        {  28,  24 }, {  23,  40 }, {  24,  32 }, {  28,  29 },
        {  23,  42 }, {  19,  57 }, {  22,  53 }, {  22,  61 },
        {  11,  86 },

        /* 399 - 435 */
        {  12,  40 }, {  11,  51 }, {  14,  59 },
        {  -4,  79 }, {  -7,  71 }, {  -5,  69 }, {  -9,  70 },
        {  -8,  66 }, { -10,  68 }, { -19,  73 }, { -12,  69 },
        { -16,  70 }, { -15,  67 }, { -20,  62 }, { -19,  70 },
        { -16,  66 }, { -22,  65 }, { -20,  63 }, {   9,  -2 },
        {  26,  -9 }, {  33,  -9 }, {  39,  -7 }, {  41,  -2 },
        {  45,   3 }, {  49,   9 }, {  45,  27 }, {  36,  59 },
        {  -6,  66 }, {  -7,  35 }, {  -7,  42 }, {  -8,  45 },
        {  -5,  48 }, { -12,  56 }, {  -6,  60 }, {  -5,  62 },
        {  -8,  66 }, {  -8,  76 },

        /* 436 - 459 */
        {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },
        { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },
        {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },
        { -14,  66 }, {   0,  59 }, {   2,  59 }, {  21, -13 },
        {  33, -14 }, {  39,  -7 }, {  46,  -2 }, {  51,   2 },
        {  60,   6 }, {  61,  17 }, {  55,  34 }, {  42,  62 },
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662

        /* 460 - 1024 */
        {  -7,  92 }, {  -5,  89 }, {  -7,  96 }, { -13, 108 },
        {  -3,  46 }, {  -1,  65 }, {  -1,  57 }, {  -9,  93 },
        {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },
        {  -7,  92 }, {  -5,  89 }, {  -7,  96 }, { -13, 108 },
        {  -3,  46 }, {  -1,  65 }, {  -1,  57 }, {  -9,  93 },
        {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },
        {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },
        {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },
        {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },
        {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },
        {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },
        {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },
        {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },
        {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },
        {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },
        {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },
        {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },
        {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },
        {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },
        {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },
        {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },
        {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },
        {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },
        {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },
        {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },
        {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },
        {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },
        {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },
        {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },
        {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },
        {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },
        {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },
        {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },
        {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },
        {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },
        {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },
        {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },
        {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },
        {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },
        {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },
        {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },
        {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },
        {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },
        {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },
        {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },
        {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },
        {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },
        {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },
        {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },
        {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },
        {  -4,  79 }, {  -7,  71 }, {  -5,  69 }, {  -9,  70 },
        {  -8,  66 }, { -10,  68 }, { -19,  73 }, { -12,  69 },
        { -16,  70 }, { -15,  67 }, { -20,  62 }, { -19,  70 },
        { -16,  66 }, { -22,  65 }, { -20,  63 }, {  -5,  85 },
        {  -6,  81 }, { -10,  77 }, {  -7,  81 }, { -17,  80 },
        { -18,  73 }, {  -4,  74 }, { -10,  83 }, {  -9,  71 },
        {  -9,  67 }, {  -1,  61 }, {  -8,  66 }, { -14,  66 },
        {   0,  59 }, {   2,  59 }, {   9,  -2 }, {  26,  -9 },
        {  33,  -9 }, {  39,  -7 }, {  41,  -2 }, {  45,   3 },
        {  49,   9 }, {  45,  27 }, {  36,  59 }, {  21, -13 },
        {  33, -14 }, {  39,  -7 }, {  46,  -2 }, {  51,   2 },
        {  60,   6 }, {  61,  17 }, {  55,  34 }, {  42,  62 },
        {  -6,  66 }, {  -7,  35 }, {  -7,  42 }, {  -8,  45 },
        {  -5,  48 }, { -12,  56 }, {  -6,  60 }, {  -5,  62 },
        {  -8,  66 }, {  -8,  76 }, {  -4,  79 }, {  -7,  71 },
        {  -5,  69 }, {  -9,  70 }, {  -8,  66 }, { -10,  68 },
        { -19,  73 }, { -12,  69 }, { -16,  70 }, { -15,  67 },
        { -20,  62 }, { -19,  70 }, { -16,  66 }, { -22,  65 },
        { -20,  63 }, {  -5,  85 }, {  -6,  81 }, { -10,  77 },
        {  -7,  81 }, { -17,  80 }, { -18,  73 }, {  -4,  74 },
        { -10,  83 }, {  -9,  71 }, {  -9,  67 }, {  -1,  61 },
        {  -8,  66 }, { -14,  66 }, {   0,  59 }, {   2,  59 },
        {   9,  -2 }, {  26,  -9 }, {  33,  -9 }, {  39,  -7 },
        {  41,  -2 }, {  45,   3 }, {  49,   9 }, {  45,  27 },
        {  36,  59 }, {  21, -13 }, {  33, -14 }, {  39,  -7 },
        {  46,  -2 }, {  51,   2 }, {  60,   6 }, {  61,  17 },
        {  55,  34 }, {  42,  62 }, {  -6,  66 }, {  -7,  35 },
        {  -7,  42 }, {  -8,  45 }, {  -5,  48 }, { -12,  56 },
        {  -6,  60 }, {  -5,  62 }, {  -8,  66 }, {  -8,  76 },
        { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },
        { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },
        { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
        { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },
        { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },
        { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },
        {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },
        {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },
        {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },
        {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },
        {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },
        { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },
        { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },
        { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
        { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },
        { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },
        { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },
        {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },
        {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },
        {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },
        {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },
        {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },
        {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },
        {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },
        {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },
        {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },
        {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },
        {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },
        {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },
        { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },
        {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },
        {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },
        {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },
        {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },
        {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },
        {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },
        {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },
        {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },
        {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },
        {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },
        { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },
        {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },
        {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },
        {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },
        {  -6,  76 }, {  -2,  44 }, {   0,  45 }, {   0,  52 },
        {  -3,  64 }, {  -2,  59 }, {  -4,  70 }, {  -4,  75 },
        {  -8,  82 }, { -17, 102 }, {  -9,  77 }, {   3,  24 },
        {   0,  42 }, {   0,  48 }, {   0,  55 }, {  -6,  59 },
        {  -7,  71 }, { -12,  83 }, { -11,  87 }, { -30, 119 },
        {   1,  58 }, {  -3,  29 }, {  -1,  36 }, {   1,  38 },
        {   2,  43 }, {  -6,  55 }, {   0,  58 }, {   0,  64 },
        {  -3,  74 }, { -10,  90 }, {  -6,  76 }, {  -2,  44 },
        {   0,  45 }, {   0,  52 }, {  -3,  64 }, {  -2,  59 },
        {  -4,  70 }, {  -4,  75 }, {  -8,  82 }, { -17, 102 },
        {  -9,  77 }, {   3,  24 }, {   0,  42 }, {   0,  48 },
        {   0,  55 }, {  -6,  59 }, {  -7,  71 }, { -12,  83 },
        { -11,  87 }, { -30, 119 }, {   1,  58 }, {  -3,  29 },
        {  -1,  36 }, {   1,  38 }, {   2,  43 }, {  -6,  55 },
        {   0,  58 }, {   0,  64 }, {  -3,  74 }, { -10,  90 },
        {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },
        {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },
        {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 }
663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818
    },

    /* i_cabac_init_idc == 1 */
    {
        /* 0 - 10 */
        {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },
        {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },
        {  -6,  53 }, {  -1,  54 }, {   7,  51 },

        /* 11 - 23 */
        {  22,  25 }, {  34,   0 }, {  16,   0 }, {  -2,   9 },
        {   4,  41 }, { -29, 118 }, {   2,  65 }, {  -6,  71 },
        { -13,  79 }, {   5,  52 }, {   9,  50 }, {  -3,  70 },
        {  10,  54 },

        /* 24 - 39 */
        {  26,  34 }, {  19,  22 }, {  40,   0 }, {  57,   2 },
        {  41,  36 }, {  26,  69 }, { -45, 127 }, { -15, 101 },
        {  -4,  76 }, {  -6,  71 }, { -13,  79 }, {   5,  52 },
        {   6,  69 }, { -13,  90 }, {   0,  52 }, {   8,  43 },

        /* 40 - 53 */
        {  -2,  69 },{  -5,  82 },{ -10,  96 },{   2,  59 },
        {   2,  75 },{  -3,  87 },{  -3,  100 },{   1,  56 },
        {  -3,  74 },{  -6,  85 },{   0,  59 },{  -3,  81 },
        {  -7,  86 },{  -5,  95 },

        /* 54 - 59 */
        {  -1,  66 },{  -1,  77 },{   1,  70 },{  -2,  86 },
        {  -5,  72 },{   0,  61 },

        /* 60 - 69 */
        { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },
        { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },
        { 13, 41 },  { 3, 62 },

        /* 70 - 104 */
        {  13,  15 }, {   7,  51 }, {   2,  80 }, { -39, 127 },
        { -18,  91 }, { -17,  96 }, { -26,  81 }, { -35,  98 },
        { -24, 102 }, { -23,  97 }, { -27, 119 }, { -24,  99 },
        { -21, 110 }, { -18, 102 }, { -36, 127 }, {   0,  80 },
        {  -5,  89 }, {  -7,  94 }, {  -4,  92 }, {   0,  39 },
        {   0,  65 }, { -15,  84 }, { -35, 127 }, {  -2,  73 },
        { -12, 104 }, {  -9,  91 }, { -31, 127 }, {   3,  55 },
        {   7,  56 }, {   7,  55 }, {   8,  61 }, {  -3,  53 },
        {   0,  68 }, {  -7,  74 }, {  -9,  88 },

        /* 105 -> 165 */
        { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },
        {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },
        { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },
        { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },
        {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },
        {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },
        { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },
        { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },
        {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },
        { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },
        {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },
        {  -4,  71 }, {   0,  58 }, {   7,  61 }, {   9,  41 },
        {  18,  25 }, {   9,  32 }, {   5,  43 }, {   9,  47 },
        {   0,  44 }, {   0,  51 }, {   2,  46 }, {  19,  38 },
        {  -4,  66 }, {  15,  38 }, {  12,  42 }, {   9,  34 },
        {   0,  89 },

        /* 166 - 226 */
        {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },
        {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },
        {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },
        { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },
        {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },
        {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },
        {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },
        {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },
        {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },
        {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },
        {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },
        {   0,  75 }, {   2,  72 }, {   8,  77 }, {  14,  35 },
        {  18,  31 }, {  17,  35 }, {  21,  30 }, {  17,  45 },
        {  20,  42 }, {  18,  45 }, {  27,  26 }, {  16,  54 },
        {   7,  66 }, {  16,  56 }, {  11,  73 }, {  10,  67 },
        { -10, 116 },

        /* 227 - 275 */
        { -23, 112 }, { -15,  71 }, {  -7,  61 }, {   0,  53 },
        {  -5,  66 }, { -11,  77 }, {  -9,  80 }, {  -9,  84 },
        { -10,  87 }, { -34, 127 }, { -21, 101 }, {  -3,  39 },
        {  -5,  53 }, {  -7,  61 }, { -11,  75 }, { -15,  77 },
        { -17,  91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
        { -11,  76 }, { -10,  44 }, { -10,  52 }, { -10,  57 },
        {  -9,  58 }, { -16,  72 }, {  -7,  69 }, {  -4,  69 },
        {  -5,  74 }, {  -9,  86 }, {   2,  66 }, {  -9,  34 },
        {   1,  32 }, {  11,  31 }, {   5,  52 }, {  -2,  55 },
        {  -2,  67 }, {   0,  73 }, {  -8,  89 }, {   3,  52 },
        {   7,   4 }, {  10,   8 }, {  17,   8 }, {  16,  19 },
        {   3,  37 }, {  -1,  61 }, {  -5,  73 }, {  -1,  70 },
        {  -4,  78 },

        /* 276 a bit special (not used, bypass is used instead) */
        { 0, 0 },

        /* 277 - 337 */
        { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
        { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
        { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
        { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },
        { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },
        {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },
        {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },
        {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },
        {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },
        {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },
        {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },
        {  -1,  70 }, {  -9,  72 }, {  14,  60 }, {  16,  37 },
        {   0,  47 }, {  18,  35 }, {  11,  37 }, {  12,  41 },
        {  10,  41 }, {   2,  48 }, {  12,  41 }, {  13,  41 },
        {   0,  59 }, {   3,  50 }, {  19,  40 }, {   3,  66 },
        {  18,  50 },

        /* 338 - 398 */
        {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },
        {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },
        {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },
        {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },
        {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },
        {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },
        {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },
        {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },
        {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },
        {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },
        {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },
        {  12,  48 }, {  11,  49 }, {  26,  45 }, {  22,  22 },
        {  23,  22 }, {  27,  21 }, {  33,  20 }, {  26,  28 },
        {  30,  24 }, {  27,  34 }, {  18,  42 }, {  25,  39 },
        {  18,  50 }, {  12,  70 }, {  21,  54 }, {  14,  71 },
        {  11,  83 },

        /* 399 - 435 */
        {  25,  32 }, {  21,  49 }, {  21,  54 },
        {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },
        { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },
        {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },
        { -14,  66 }, {   0,  59 }, {   2,  59 }, {  17, -10 },
        {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },
        {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },
        {  -5,  71 }, {   0,  24 }, {  -1,  36 }, {  -2,  42 },
        {  -2,  52 }, {  -9,  57 }, {  -6,  63 }, {  -4,  65 },
        {  -4,  67 }, {  -7,  82 },

        /* 436 - 459 */
        {  -3,  81 }, {  -3,  76 }, {  -7,  72 }, {  -6,  78 },
        { -12,  72 }, { -14,  68 }, {  -3,  70 }, {  -6,  76 },
        {  -5,  66 }, {  -5,  62 }, {   0,  57 }, {  -4,  61 },
        {  -9,  60 }, {   1,  54 }, {   2,  58 }, {  17, -10 },
        {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },
        {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },
819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961

        /* 460 - 1024 */
        {   0,  80 }, {  -5,  89 }, {  -7,  94 }, {  -4,  92 },
        {   0,  39 }, {   0,  65 }, { -15,  84 }, { -35, 127 },
        {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },
        {   0,  80 }, {  -5,  89 }, {  -7,  94 }, {  -4,  92 },
        {   0,  39 }, {   0,  65 }, { -15,  84 }, { -35, 127 },
        {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },
        { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },
        {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },
        { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },
        { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },
        {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },
        {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },
        { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },
        { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },
        {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },
        { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },
        {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },
        { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },
        {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },
        { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },
        { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },
        {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },
        {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },
        { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },
        { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },
        {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },
        { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },
        {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },
        {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },
        {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },
        {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },
        { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },
        {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },
        {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },
        {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },
        {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },
        {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },
        {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },
        {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },
        {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },
        {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },
        {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },
        { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },
        {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },
        {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },
        {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },
        {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },
        {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },
        {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },
        {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },
        {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },
        { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },
        {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },
        { -14,  66 }, {   0,  59 }, {   2,  59 }, {  -3,  81 },
        {  -3,  76 }, {  -7,  72 }, {  -6,  78 }, { -12,  72 },
        { -14,  68 }, {  -3,  70 }, {  -6,  76 }, {  -5,  66 },
        {  -5,  62 }, {   0,  57 }, {  -4,  61 }, {  -9,  60 },
        {   1,  54 }, {   2,  58 }, {  17, -10 }, {  32, -13 },
        {  42,  -9 }, {  49,  -5 }, {  53,   0 }, {  64,   3 },
        {  68,  10 }, {  66,  27 }, {  47,  57 }, {  17, -10 },
        {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },
        {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },
        {  -5,  71 }, {   0,  24 }, {  -1,  36 }, {  -2,  42 },
        {  -2,  52 }, {  -9,  57 }, {  -6,  63 }, {  -4,  65 },
        {  -4,  67 }, {  -7,  82 }, {  -5,  85 }, {  -6,  81 },
        { -10,  77 }, {  -7,  81 }, { -17,  80 }, { -18,  73 },
        {  -4,  74 }, { -10,  83 }, {  -9,  71 }, {  -9,  67 },
        {  -1,  61 }, {  -8,  66 }, { -14,  66 }, {   0,  59 },
        {   2,  59 }, {  -3,  81 }, {  -3,  76 }, {  -7,  72 },
        {  -6,  78 }, { -12,  72 }, { -14,  68 }, {  -3,  70 },
        {  -6,  76 }, {  -5,  66 }, {  -5,  62 }, {   0,  57 },
        {  -4,  61 }, {  -9,  60 }, {   1,  54 }, {   2,  58 },
        {  17, -10 }, {  32, -13 }, {  42,  -9 }, {  49,  -5 },
        {  53,   0 }, {  64,   3 }, {  68,  10 }, {  66,  27 },
        {  47,  57 }, {  17, -10 }, {  32, -13 }, {  42,  -9 },
        {  49,  -5 }, {  53,   0 }, {  64,   3 }, {  68,  10 },
        {  66,  27 }, {  47,  57 }, {  -5,  71 }, {   0,  24 },
        {  -1,  36 }, {  -2,  42 }, {  -2,  52 }, {  -9,  57 },
        {  -6,  63 }, {  -4,  65 }, {  -4,  67 }, {  -7,  82 },
        { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
        { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
        { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
        { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },
        { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },
        {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },
        {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },
        {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },
        {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },
        {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },
        {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },
        { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
        { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
        { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
        { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },
        { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },
        {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },
        {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },
        {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },
        {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },
        {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },
        {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },
        {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },
        {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },
        {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },
        {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },
        {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },
        {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },
        {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },
        {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },
        {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },
        {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },
        {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },
        {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },
        {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },
        {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },
        {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },
        {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },
        {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },
        {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },
        {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },
        {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },
        {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },
        {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },
        { -23, 112 }, { -15,  71 }, {  -7,  61 }, {   0,  53 },
        {  -5,  66 }, { -11,  77 }, {  -9,  80 }, {  -9,  84 },
        { -10,  87 }, { -34, 127 }, { -21, 101 }, {  -3,  39 },
        {  -5,  53 }, {  -7,  61 }, { -11,  75 }, { -15,  77 },
        { -17,  91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
        { -11,  76 }, { -10,  44 }, { -10,  52 }, { -10,  57 },
        {  -9,  58 }, { -16,  72 }, {  -7,  69 }, {  -4,  69 },
        {  -5,  74 }, {  -9,  86 }, { -23, 112 }, { -15,  71 },
        {  -7,  61 }, {   0,  53 }, {  -5,  66 }, { -11,  77 },
        {  -9,  80 }, {  -9,  84 }, { -10,  87 }, { -34, 127 },
        { -21, 101 }, {  -3,  39 }, {  -5,  53 }, {  -7,  61 },
        { -11,  75 }, { -15,  77 }, { -17,  91 }, { -25, 107 },
        { -25, 111 }, { -28, 122 }, { -11,  76 }, { -10,  44 },
        { -10,  52 }, { -10,  57 }, {  -9,  58 }, { -16,  72 },
        {  -7,  69 }, {  -4,  69 }, {  -5,  74 }, {  -9,  86 },
        {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },
        {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },
        {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 }
962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
    },

    /* i_cabac_init_idc == 2 */
    {
        /* 0 - 10 */
        {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },
        {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },
        {  -6,  53 }, {  -1,  54 }, {   7,  51 },

        /* 11 - 23 */
        {  29,  16 }, {  25,   0 }, {  14,   0 }, { -10,  51 },
        {  -3,  62 }, { -27,  99 }, {  26,  16 }, {  -4,  85 },
        { -24, 102 }, {   5,  57 }, {   6,  57 }, { -17,  73 },
        {  14,  57 },

        /* 24 - 39 */
        {  20,  40 }, {  20,  10 }, {  29,   0 }, {  54,   0 },
        {  37,  42 }, {  12,  97 }, { -32, 127 }, { -22, 117 },
        {  -2,  74 }, {  -4,  85 }, { -24, 102 }, {   5,  57 },
        {  -6,  93 }, { -14,  88 }, {  -6,  44 }, {   4,  55 },

        /* 40 - 53 */
        { -11,  89 },{ -15,  103 },{ -21,  116 },{  19,  57 },
        {  20,  58 },{   4,  84 },{   6,  96 },{   1,  63 },
        {  -5,  85 },{ -13,  106 },{   5,  63 },{   6,  75 },
        {  -3,  90 },{  -1,  101 },

        /* 54 - 59 */
        {   3,  55 },{  -4,  79 },{  -2,  75 },{ -12,  97 },
        {  -7,  50 },{   1,  60 },

        /* 60 - 69 */
        { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },
        { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },
        { 13, 41 },  { 3, 62 },

        /* 70 - 104 */
        {   7,  34 }, {  -9,  88 }, { -20, 127 }, { -36, 127 },
        { -17,  91 }, { -14,  95 }, { -25,  84 }, { -25,  86 },
        { -12,  89 }, { -17,  91 }, { -31, 127 }, { -14,  76 },
        { -18, 103 }, { -13,  90 }, { -37, 127 }, {  11,  80 },
        {   5,  76 }, {   2,  84 }, {   5,  78 }, {  -6,  55 },
        {   4,  61 }, { -14,  83 }, { -37, 127 }, {  -5,  79 },
        { -11, 104 }, { -11,  91 }, { -30, 127 }, {   0,  65 },
        {  -2,  79 }, {   0,  72 }, {  -4,  92 }, {  -6,  56 },
        {   3,  68 }, {  -8,  71 }, { -13,  98 },

        /* 105 -> 165 */
        {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },
        {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },
        {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },
        {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },
        {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },
        {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },
        {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },
        {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },
        {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },
        { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },
        {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },
        {   3,  65 }, {  -7,  69 }, {   8,  77 }, { -10,  66 },
        {   3,  62 }, {  -3,  68 }, { -20,  81 }, {   0,  30 },
        {   1,   7 }, {  -3,  23 }, { -21,  74 }, {  16,  66 },
        { -23, 124 }, {  17,  37 }, {  44, -18 }, {  50, -34 },
        { -22, 127 },

        /* 166 - 226 */
        {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },
        {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },
        {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },
        {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },
        {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },
        {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },
        {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },
        {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },
        {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },
        {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },
        {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },
        {  20,  34 }, {  19,  31 }, {  27,  44 }, {  19,  16 },
        {  15,  36 }, {  15,  36 }, {  21,  28 }, {  25,  21 },
        {  30,  20 }, {  31,  12 }, {  27,  16 }, {  24,  42 },
        {   0,  93 }, {  14,  56 }, {  15,  57 }, {  26,  38 },
        { -24, 127 },

        /* 227 - 275 */
        { -24, 115 }, { -22,  82 }, {  -9,  62 }, {   0,  53 },
        {   0,  59 }, { -14,  85 }, { -13,  89 }, { -13,  94 },
        { -11,  92 }, { -29, 127 }, { -21, 100 }, { -14,  57 },
        { -12,  67 }, { -11,  71 }, { -10,  77 }, { -21,  85 },
        { -16,  88 }, { -23, 104 }, { -15,  98 }, { -37, 127 },
        { -10,  82 }, {  -8,  48 }, {  -8,  61 }, {  -8,  66 },
        {  -7,  70 }, { -14,  75 }, { -10,  79 }, {  -9,  83 },
        { -12,  92 }, { -18, 108 }, {  -4,  79 }, { -22,  69 },
        { -16,  75 }, {  -2,  58 }, {   1,  58 }, { -13,  78 },
        {  -9,  83 }, {  -4,  81 }, { -13,  99 }, { -13,  81 },
        {  -6,  38 }, { -13,  62 }, {  -6,  58 }, {  -2,  59 },
        { -16,  73 }, { -10,  76 }, { -13,  86 }, {  -9,  83 },
        { -10,  87 },

        /* 276 a bit special (not used, bypass is used instead) */
        { 0, 0 },

        /* 277 - 337 */
        { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
        { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
        { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
        { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },
        { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },
        { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },
        {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },
        {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },
        {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },
        {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },
        {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },
        {  -2,  76 }, { -18,  86 }, {  12,  70 }, {   5,  64 },
        { -12,  70 }, {  11,  55 }, {   5,  56 }, {   0,  69 },
        {   2,  65 }, {  -6,  74 }, {   5,  54 }, {   7,  54 },
        {  -6,  76 }, { -11,  82 }, {  -2,  77 }, {  -2,  77 },
        {  25,  42 },

        /* 338 - 398 */
        {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },
        {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },
        {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },
        {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },
        {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },
        {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },
        {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },
        {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },
        {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },
        {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },
        {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },
        {  18,  31 }, {  19,  26 }, {  36,  24 }, {  24,  23 },
        {  27,  16 }, {  24,  30 }, {  31,  29 }, {  22,  41 },
        {  22,  42 }, {  16,  60 }, {  15,  52 }, {  14,  60 },
        {   3,  78 }, { -16, 123 }, {  21,  53 }, {  22,  56 },
        {  25,  61 },

        /* 399 - 435 */
        {  21,  33 }, {  19,  50 }, {  17,  61 },
        {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },
        { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },
        { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },
        { -14,  59 }, {  -9,  52 }, { -11,  68 }, {   9,  -2 },
        {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },
        {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },
        {  -9,  71 }, {  -7,  37 }, {  -8,  44 }, { -11,  49 },
        { -10,  56 }, { -12,  59 }, {  -8,  63 }, {  -9,  67 },
        {  -6,  68 }, { -10,  79 },

        /* 436 - 459 */
        {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },
        { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },
        { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },
        { -14,  59 }, {  -9,  52 }, { -11,  68 }, {   9,  -2 },
        {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },
        {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260

        /* 460 - 1024 */
        {  11,  80 }, {   5,  76 }, {   2,  84 }, {   5,  78 },
        {  -6,  55 }, {   4,  61 }, { -14,  83 }, { -37, 127 },
        {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },
        {  11,  80 }, {   5,  76 }, {   2,  84 }, {   5,  78 },
        {  -6,  55 }, {   4,  61 }, { -14,  83 }, { -37, 127 },
        {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },
        {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },
        {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },
        {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },
        {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },
        {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },
        {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },
        {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },
        {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },
        {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },
        { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },
        {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },
        {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },
        {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },
        {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },
        {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },
        {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },
        {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },
        {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },
        {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },
        {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },
        { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },
        {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },
        {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },
        {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },
        {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },
        {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },
        {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },
        {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },
        {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },
        {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },
        {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },
        {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },
        {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },
        {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },
        {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },
        {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },
        {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },
        {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },
        {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },
        {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },
        {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },
        {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },
        {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },
        {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },
        {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },
        { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },
        { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },
        { -14,  59 }, {  -9,  52 }, { -11,  68 }, {  -3,  78 },
        {  -8,  74 }, {  -9,  72 }, { -10,  72 }, { -18,  75 },
        { -12,  71 }, { -11,  63 }, {  -5,  70 }, { -17,  75 },
        { -14,  72 }, { -16,  67 }, {  -8,  53 }, { -14,  59 },
        {  -9,  52 }, { -11,  68 }, {   9,  -2 }, {  30, -10 },
        {  31,  -4 }, {  33,  -1 }, {  33,   7 }, {  31,  12 },
        {  37,  23 }, {  31,  38 }, {  20,  64 }, {   9,  -2 },
        {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },
        {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },
        {  -9,  71 }, {  -7,  37 }, {  -8,  44 }, { -11,  49 },
        { -10,  56 }, { -12,  59 }, {  -8,  63 }, {  -9,  67 },
        {  -6,  68 }, { -10,  79 }, {  -3,  78 }, {  -8,  74 },
        {  -9,  72 }, { -10,  72 }, { -18,  75 }, { -12,  71 },
        { -11,  63 }, {  -5,  70 }, { -17,  75 }, { -14,  72 },
        { -16,  67 }, {  -8,  53 }, { -14,  59 }, {  -9,  52 },
        { -11,  68 }, {  -3,  78 }, {  -8,  74 }, {  -9,  72 },
        { -10,  72 }, { -18,  75 }, { -12,  71 }, { -11,  63 },
        {  -5,  70 }, { -17,  75 }, { -14,  72 }, { -16,  67 },
        {  -8,  53 }, { -14,  59 }, {  -9,  52 }, { -11,  68 },
        {   9,  -2 }, {  30, -10 }, {  31,  -4 }, {  33,  -1 },
        {  33,   7 }, {  31,  12 }, {  37,  23 }, {  31,  38 },
        {  20,  64 }, {   9,  -2 }, {  30, -10 }, {  31,  -4 },
        {  33,  -1 }, {  33,   7 }, {  31,  12 }, {  37,  23 },
        {  31,  38 }, {  20,  64 }, {  -9,  71 }, {  -7,  37 },
        {  -8,  44 }, { -11,  49 }, { -10,  56 }, { -12,  59 },
        {  -8,  63 }, {  -9,  67 }, {  -6,  68 }, { -10,  79 },
        { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
        { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
        { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
        { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },
        { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },
        { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },
        {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },
        {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },
        {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },
        {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },
        {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },
        { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
        { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
        { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
        { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },
        { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },
        { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },
        {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },
        {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },
        {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },
        {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },
        {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },
        {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },
        {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },
        {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },
        {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },
        {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },
        {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },
        {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },
        {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },
        {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },
        {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },
        {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },
        {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },
        {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },
        {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },
        {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },
        {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },
        {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },
        {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },
        {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },
        {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },
        {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },
        {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },
        { -24, 115 }, { -22,  82 }, {  -9,  62 }, {   0,  53 },
        {   0,  59 }, { -14,  85 }, { -13,  89 }, { -13,  94 },
        { -11,  92 }, { -29, 127 }, { -21, 100 }, { -14,  57 },
        { -12,  67 }, { -11,  71 }, { -10,  77 }, { -21,  85 },
        { -16,  88 }, { -23, 104 }, { -15,  98 }, { -37, 127 },
        { -10,  82 }, {  -8,  48 }, {  -8,  61 }, {  -8,  66 },
        {  -7,  70 }, { -14,  75 }, { -10,  79 }, {  -9,  83 },
        { -12,  92 }, { -18, 108 }, { -24, 115 }, { -22,  82 },
        {  -9,  62 }, {   0,  53 }, {   0,  59 }, { -14,  85 },
        { -13,  89 }, { -13,  94 }, { -11,  92 }, { -29, 127 },
        { -21, 100 }, { -14,  57 }, { -12,  67 }, { -11,  71 },
        { -10,  77 }, { -21,  85 }, { -16,  88 }, { -23, 104 },
        { -15,  98 }, { -37, 127 }, { -10,  82 }, {  -8,  48 },
        {  -8,  61 }, {  -8,  66 }, {  -7,  70 }, { -14,  75 },
        { -10,  79 }, {  -9,  83 }, { -12,  92 }, { -18, 108 },
        {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },
        {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },
        {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 }
1261 1262 1263
    }
};

1264
void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
1265
{
1266
    int i;
1267
    const int8_t (*tab)[2];
1268
    const int slice_qp = av_clip(sl->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1269

1270
    if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1271
    else                                 tab = cabac_context_init_PB[sl->cabac_init_idc];
1272 1273

    /* calculate pre-state */
1274
    for( i= 0; i < 1024; i++ ) {
1275
        int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1276 1277 1278 1279 1280

        pre^= pre>>31;
        if(pre > 124)
            pre= 124 + (pre&1);

1281
        sl->cabac_state[i] =  pre;
1282 1283 1284
    }
}

1285
static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
1286
{
1287
    const int mbb_xy = sl->mb_xy - 2*h->mb_stride;
1288

1289
    unsigned long ctx = 0;
1290

1291
    ctx += sl->mb_field_decoding_flag & !!sl->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1292
    ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == sl->slice_num);
1293

1294
    return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] );
1295 1296
}

1297
static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1298 1299
                                      int ctx_base, int intra_slice)
{
1300
    uint8_t *state= &sl->cabac_state[ctx_base];
1301 1302 1303 1304
    int mb_type;

    if(intra_slice){
        int ctx=0;
1305
        if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1306
            ctx++;
1307
        if (sl->top_type        & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1308
            ctx++;
1309
        if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1310 1311 1312
            return 0;   /* I4x4 */
        state += 2;
    }else{
1313
        if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1314 1315 1316
            return 0;   /* I4x4 */
    }

1317
    if( get_cabac_terminate( &sl->cabac ) )
1318 1319 1320
        return 25;  /* PCM */

    mb_type = 1; /* I16x16 */
1321 1322 1323 1324 1325
    mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
    if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
        mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
    mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
    mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1326 1327 1328
    return mb_type;
}

1329
static int decode_cabac_mb_skip(const H264Context *h, H264SliceContext *sl,
1330 1331
                                int mb_x, int mb_y)
{
1332 1333 1334
    int mba_xy, mbb_xy;
    int ctx = 0;

1335
    if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1336
        int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1337 1338
        mba_xy = mb_xy - 1;
        if( (mb_y&1)
1339
            && h->slice_table[mba_xy] == sl->slice_num
1340
            && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1341
            mba_xy += h->mb_stride;
1342
        if (MB_FIELD(sl)) {
1343
            mbb_xy = mb_xy - h->mb_stride;
1344
            if( !(mb_y&1)
1345
                && h->slice_table[mbb_xy] == sl->slice_num
1346
                && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1347
                mbb_xy -= h->mb_stride;
1348
        }else
1349
            mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1350
    }else{
1351
        int mb_xy = sl->mb_xy;
1352
        mba_xy = mb_xy - 1;
1353
        mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1354 1355
    }

1356
    if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1357
        ctx++;
1358
    if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1359 1360
        ctx++;

1361
    if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1362
        ctx += 13;
1363
    return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1364 1365
}

1366
static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1367
{
1368 1369
    int mode = 0;

1370
    if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1371 1372
        return pred_mode;

1373 1374 1375
    mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
    mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
    mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1376

1377
    return mode + ( mode >= pred_mode );
1378 1379
}

1380
static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1381 1382 1383
{
    const int mba_xy = sl->left_mb_xy[0];
    const int mbb_xy = sl->top_mb_xy;
1384 1385 1386 1387

    int ctx = 0;

    /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1388
    if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1389 1390
        ctx++;

1391
    if (sl->top_type        && h->chroma_pred_mode_table[mbb_xy] != 0)
1392 1393
        ctx++;

1394
    if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1395 1396
        return 0;

1397
    if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1398
        return 1;
1399
    if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1400 1401 1402 1403 1404
        return 2;
    else
        return 3;
}

1405
static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1406
{
1407 1408
    int cbp_b, cbp_a, ctx, cbp = 0;

1409 1410
    cbp_a = sl->left_cbp;
    cbp_b = sl->top_cbp;
1411 1412

    ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1413
    cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1414
    ctx = !(cbp   & 0x01) + 2 * !(cbp_b & 0x08);
1415
    cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1416
    ctx = !(cbp_a & 0x08) + 2 * !(cbp   & 0x01);
1417
    cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1418
    ctx = !(cbp   & 0x04) + 2 * !(cbp   & 0x02);
1419
    cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1420 1421
    return cbp;
}
1422
static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1423
{
1424 1425 1426
    int ctx;
    int cbp_a, cbp_b;

1427 1428
    cbp_a = (sl->left_cbp>>4)&0x03;
    cbp_b = (sl-> top_cbp>>4)&0x03;
1429 1430 1431 1432

    ctx = 0;
    if( cbp_a > 0 ) ctx++;
    if( cbp_b > 0 ) ctx += 2;
1433
    if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1434 1435 1436 1437 1438
        return 0;

    ctx = 4;
    if( cbp_a == 2 ) ctx++;
    if( cbp_b == 2 ) ctx += 2;
1439
    return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1440 1441
}

1442
static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1443 1444
{
    if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1445
        return 0;   /* 8x8 */
1446
    if( !get_cabac( &sl->cabac, &sl->cabac_state[22] ) )
1447
        return 1;   /* 8x4 */
1448
    if( get_cabac( &sl->cabac, &sl->cabac_state[23] ) )
1449 1450 1451
        return 2;   /* 4x8 */
    return 3;       /* 4x4 */
}
1452
static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1453
{
1454
    int type;
1455
    if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1456
        return 0;   /* B_Direct_8x8 */
1457 1458
    if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
        return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1459
    type = 3;
1460 1461 1462
    if( get_cabac( &sl->cabac, &sl->cabac_state[38] ) ) {
        if( get_cabac( &sl->cabac, &sl->cabac_state[39] ) )
            return 11 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1463 1464
        type += 4;
    }
1465 1466
    type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] );
    type +=   get_cabac( &sl->cabac, &sl->cabac_state[39] );
1467 1468 1469
    return type;
}

1470
static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
1471 1472 1473
{
    int refa = sl->ref_cache[list][scan8[n] - 1];
    int refb = sl->ref_cache[list][scan8[n] - 8];
1474 1475 1476
    int ref  = 0;
    int ctx  = 0;

1477
    if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1478
        if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1479
            ctx++;
1480
        if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1481 1482 1483 1484 1485 1486 1487 1488
            ctx += 2;
    } else {
        if( refa > 0 )
            ctx++;
        if( refb > 0 )
            ctx += 2;
    }

1489
    while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) {
1490 1491 1492 1493 1494 1495 1496 1497 1498
        ref++;
        ctx = (ctx>>2)+4;
        if(ref >= 32 /*h->ref_list[list]*/){
            return -1;
        }
    }
    return ref;
}

1499
static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1500
{
1501 1502
    int mvd;

1503
    if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1504
//    if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1505
        *mvda= 0;
1506
        return 0;
1507
    }
1508 1509

    mvd= 1;
1510
    ctxbase+= 3;
1511
    while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1512 1513
        if( mvd < 4 )
            ctxbase++;
1514 1515 1516 1517 1518
        mvd++;
    }

    if( mvd >= 9 ) {
        int k = 3;
1519
        while( get_cabac_bypass( &sl->cabac ) ) {
1520 1521 1522
            mvd += 1 << k;
            k++;
            if(k>24){
1523
                av_log(sl->h264->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1524 1525 1526 1527
                return INT_MIN;
            }
        }
        while( k-- ) {
1528
            mvd += get_cabac_bypass( &sl->cabac )<<k;
1529
        }
1530 1531 1532
        *mvda=mvd < 70 ? mvd : 70;
    }else
        *mvda=mvd;
1533
    return get_cabac_bypass_sign( &sl->cabac, -mvd );
1534 1535
}

1536
#define DECODE_CABAC_MB_MVD(sl, list,  n )\
1537
{\
1538 1539 1540 1541
    int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\
                sl->mvd_cache[list][scan8[n] - 8][0];\
    int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\
                sl->mvd_cache[list][scan8[n] - 8][1];\
1542
\
1543 1544
    mx += decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\
    my += decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\
1545 1546
}

1547
static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl,
1548 1549 1550
                                              int cat, int idx, int max_coeff,
                                              int is_dc)
{
1551 1552
    int nza, nzb;
    int ctx = 0;
1553
    static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1554 1555

    if( is_dc ) {
1556
        if( cat == 3 ) {
1557
            idx -= CHROMA_DC_BLOCK_INDEX;
1558 1559
            nza = (sl->left_cbp>>(6+idx))&0x01;
            nzb = (sl-> top_cbp>>(6+idx))&0x01;
1560 1561
        } else {
            idx -= LUMA_DC_BLOCK_INDEX;
1562 1563
            nza = sl->left_cbp&(0x100<<idx);
            nzb = sl-> top_cbp&(0x100<<idx);
1564 1565
        }
    } else {
1566 1567
        nza = sl->non_zero_count_cache[scan8[idx] - 1];
        nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1568 1569 1570 1571 1572 1573 1574 1575
    }

    if( nza > 0 )
        ctx++;

    if( nzb > 0 )
        ctx += 2;

1576
    return base_ctx[cat] + ctx;
1577 1578
}

1579
static av_always_inline void
1580
decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl,
1581
                               int16_t *block,
1582 1583 1584 1585
                               int cat, int n, const uint8_t *scantable,
                               const uint32_t *qmul, int max_coeff,
                               int is_dc, int chroma422)
{
1586 1587 1588
    static const int significant_coeff_flag_offset[2][14] = {
      { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },
      { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }
1589
    };
1590 1591 1592
    static const int last_coeff_flag_offset[2][14] = {
      { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },
      { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }
1593
    };
1594 1595
    static const int coeff_abs_level_m1_offset[14] = {
        227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606
    };
    static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
      { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
        4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
        7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
      { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
        6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
        9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
        9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
    };
1607
    static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1608 1609 1610 1611 1612
    /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
     * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
     * map node ctx => cabac ctx for level=1 */
    static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
    /* map node ctx => cabac ctx for level>1 */
1613 1614 1615 1616
    static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
        { 5, 5, 5, 5, 6, 7, 8, 9 },
        { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
    };
1617 1618 1619 1620 1621 1622 1623 1624 1625
    static const uint8_t coeff_abs_level_transition[2][8] = {
    /* update node ctx after decoding a level=1 */
        { 1, 2, 3, 3, 4, 5, 6, 7 },
    /* update node ctx after decoding a level>1 */
        { 4, 4, 4, 4, 5, 6, 7, 7 }
    };

    int index[64];

1626
    int last;
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
    int coeff_count = 0;
    int node_ctx = 0;

    uint8_t *significant_coeff_ctx_base;
    uint8_t *last_coeff_ctx_base;
    uint8_t *abs_level_m1_ctx_base;

#if !ARCH_X86
#define CABAC_ON_STACK
#endif
#ifdef CABAC_ON_STACK
#define CC &cc
    CABACContext cc;
1640 1641 1642
    cc.range     = sl->cabac.range;
    cc.low       = sl->cabac.low;
    cc.bytestream= sl->cabac.bytestream;
1643
#if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64
1644
    cc.bytestream_end = sl->cabac.bytestream_end;
1645
#endif
1646
#else
1647
#define CC &sl->cabac
1648 1649
#endif

1650
    significant_coeff_ctx_base = sl->cabac_state
1651
        + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1652
    last_coeff_ctx_base = sl->cabac_state
1653
        + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1654
    abs_level_m1_ctx_base = sl->cabac_state
1655 1656
        + coeff_abs_level_m1_offset[cat];

1657
    if( !is_dc && max_coeff == 64 ) {
1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672
#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
        for(last= 0; last < coefs; last++) { \
            uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
            if( get_cabac( CC, sig_ctx )) { \
                uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
                index[coeff_count++] = last; \
                if( get_cabac( CC, last_ctx ) ) { \
                    last= max_coeff; \
                    break; \
                } \
            } \
        }\
        if( last == max_coeff -1 ) {\
            index[coeff_count++] = last;\
        }
1673
        const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1674 1675
#ifdef decode_significance
        coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1676
                                                 last_coeff_ctx_base, sig_off);
1677
    } else {
1678
        if (is_dc && chroma422) { // dc 422
1679 1680
            DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
        } else {
1681
            coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1682 1683
                                                 last_coeff_ctx_base-significant_coeff_ctx_base);
        }
1684
#else
1685
        DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1686
    } else {
1687
        if (is_dc && chroma422) { // dc 422
1688 1689 1690 1691
            DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
        } else {
            DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
        }
1692 1693
#endif
    }
1694
    av_assert2(coeff_count > 0);
1695 1696

    if( is_dc ) {
1697
        if( cat == 3 )
1698
            h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1699
        else
1700
            h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1701
        sl->non_zero_count_cache[scan8[n]] = coeff_count;
1702
    } else {
1703
        if( max_coeff == 64 )
1704
            fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1705
        else {
1706
            av_assert2( cat == 1 || cat ==  2 || cat ==  4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1707
            sl->non_zero_count_cache[scan8[n]] = coeff_count;
1708 1709 1710
        }
    }

1711
#define STORE_BLOCK(type) \
1712 1713 1714 1715 1716
    do { \
        uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
 \
        int j= scantable[index[--coeff_count]]; \
 \
1717 1718 1719 1720 1721 1722 1723 1724 1725
        if( get_cabac( CC, ctx ) == 0 ) { \
            node_ctx = coeff_abs_level_transition[0][node_ctx]; \
            if( is_dc ) { \
                ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
            }else{ \
                ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
            } \
        } else { \
            int coeff_abs = 2; \
1726
            ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1727 1728 1729 1730 1731 1732 1733 1734
            node_ctx = coeff_abs_level_transition[1][node_ctx]; \
\
            while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
                coeff_abs++; \
            } \
\
            if( coeff_abs >= 15 ) { \
                int j = 0; \
1735
                while (get_cabac_bypass(CC) && j < 30) { \
1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750
                    j++; \
                } \
\
                coeff_abs=1; \
                while( j-- ) { \
                    coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
                } \
                coeff_abs+= 14; \
            } \
\
            if( is_dc ) { \
                ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
            }else{ \
                ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
            } \
1751 1752
        } \
    } while ( coeff_count );
1753

1754 1755 1756 1757 1758
    if (h->pixel_shift) {
        STORE_BLOCK(int32_t)
    } else {
        STORE_BLOCK(int16_t)
    }
1759
#ifdef CABAC_ON_STACK
1760 1761 1762
            sl->cabac.range     = cc.range     ;
            sl->cabac.low       = cc.low       ;
            sl->cabac.bytestream= cc.bytestream;
1763 1764 1765 1766
#endif

}

1767
static av_noinline void decode_cabac_residual_dc_internal(const H264Context *h,
1768
                                                          H264SliceContext *sl,
1769 1770 1771 1772
                                                          int16_t *block,
                                                          int cat, int n,
                                                          const uint8_t *scantable,
                                                          int max_coeff)
Diego Biurrun's avatar
Diego Biurrun committed
1773
{
1774
    decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1775 1776
}

1777
static av_noinline void decode_cabac_residual_dc_internal_422(const H264Context *h,
1778
                                                              H264SliceContext *sl,
1779 1780 1781 1782
                                                              int16_t *block,
                                                              int cat, int n,
                                                              const uint8_t *scantable,
                                                              int max_coeff)
1783
{
1784
    decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1785 1786
}

1787
static av_noinline void decode_cabac_residual_nondc_internal(const H264Context *h,
1788
                                                             H264SliceContext *sl,
1789 1790 1791 1792 1793
                                                             int16_t *block,
                                                             int cat, int n,
                                                             const uint8_t *scantable,
                                                             const uint32_t *qmul,
                                                             int max_coeff)
Diego Biurrun's avatar
Diego Biurrun committed
1794
{
1795
    decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1796 1797
}

1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809
/* cat: 0-> DC 16x16  n = 0
 *      1-> AC 16x16  n = luma4x4idx
 *      2-> Luma4x4   n = luma4x4idx
 *      3-> DC Chroma n = iCbCr
 *      4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
 *      5-> Luma8x8   n = 4 * luma8x8idx */

/* Partially inline the CABAC residual decode: inline the coded block flag.
 * This has very little impact on binary size and improves performance
 * because it allows improved constant propagation into get_cabac_cbf_ctx,
 * as well as because most blocks have zero CBFs. */

1810
static av_always_inline void decode_cabac_residual_dc(const H264Context *h,
1811
                                                      H264SliceContext *sl,
Diego Biurrun's avatar
Diego Biurrun committed
1812 1813 1814 1815 1816
                                                      int16_t *block,
                                                      int cat, int n,
                                                      const uint8_t *scantable,
                                                      int max_coeff)
{
1817
    /* read coded block flag */
1818
    if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1819
        sl->non_zero_count_cache[scan8[n]] = 0;
1820 1821
        return;
    }
1822
    decode_cabac_residual_dc_internal(h, sl, block, cat, n, scantable, max_coeff);
1823 1824
}

1825
static av_always_inline void
1826
decode_cabac_residual_dc_422(const H264Context *h, H264SliceContext *sl,
1827
                             int16_t *block,
1828 1829 1830 1831
                             int cat, int n, const uint8_t *scantable,
                             int max_coeff)
{
    /* read coded block flag */
1832
    if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0) {
1833
        sl->non_zero_count_cache[scan8[n]] = 0;
1834 1835
        return;
    }
1836
    decode_cabac_residual_dc_internal_422(h, sl, block, cat, n, scantable, max_coeff);
1837 1838
}

1839
static av_always_inline void decode_cabac_residual_nondc(const H264Context *h,
1840
                                                         H264SliceContext *sl,
Diego Biurrun's avatar
Diego Biurrun committed
1841 1842 1843 1844 1845 1846
                                                         int16_t *block,
                                                         int cat, int n,
                                                         const uint8_t *scantable,
                                                         const uint32_t *qmul,
                                                         int max_coeff)
{
1847
    /* read coded block flag */
1848
    if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 0)]) == 0) {
1849
        if( max_coeff == 64 ) {
1850
            fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1851
        } else {
1852
            sl->non_zero_count_cache[scan8[n]] = 0;
1853
        }
1854 1855
        return;
    }
1856
    decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1857 1858
}

1859
static av_always_inline void decode_cabac_luma_residual(const H264Context *h, H264SliceContext *sl,
1860 1861
                                                        const uint8_t *scan, const uint8_t *scan8x8,
                                                        int pixel_shift, int mb_type, int cbp, int p)
1862 1863 1864 1865
{
    static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
    const uint32_t *qmul;
    int i8x8, i4x4;
1866
    int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1867
    if( IS_INTRA16x16( mb_type ) ) {
1868 1869 1870 1871 1872
        AV_ZERO128(sl->mb_luma_dc[p]+0);
        AV_ZERO128(sl->mb_luma_dc[p]+8);
        AV_ZERO128(sl->mb_luma_dc[p]+16);
        AV_ZERO128(sl->mb_luma_dc[p]+24);
        decode_cabac_residual_dc(h, sl, sl->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1873 1874 1875 1876 1877

        if( cbp&15 ) {
            qmul = h->dequant4_coeff[p][qscale];
            for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
                const int index = 16*p + i4x4;
1878
                decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1879 1880
            }
        } else {
1881
            fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1882 1883 1884 1885 1886 1887 1888
        }
    } else {
        int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
        for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
            if( cbp & (1<<i8x8) ) {
                if( IS_8x8DCT(mb_type) ) {
                    const int index = 16*p + 4*i8x8;
1889
                    decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1890 1891 1892 1893 1894 1895
                                                scan8x8, h->dequant8_coeff[cqm][qscale], 64);
                } else {
                    qmul = h->dequant4_coeff[cqm][qscale];
                    for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
                        const int index = 16*p + 4*i8x8 + i4x4;
//START_TIMER
1896
                        decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1897 1898 1899 1900
//STOP_TIMER("decode_residual")
                    }
                }
            } else {
1901
                fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1902 1903 1904 1905 1906
            }
        }
    }
}

1907
/**
1908
 * Decode a macroblock.
1909
 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1910
 */
1911
int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1912
{
1913 1914 1915
    int mb_xy;
    int mb_type, partition_count, cbp = 0;
    int dct8x8_allowed= h->pps.transform_8x8_mode;
1916
    int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1917
    const int pixel_shift = h->pixel_shift;
1918

1919
    mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
1920

1921
    ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, sl->mb_x, sl->mb_y);
1922
    if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1923 1924
        int skip;
        /* a skipped mb needs the aff flag from the following mb */
1925
        if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1926
            skip = sl->next_mb_skipped;
1927
        else
1928
            skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1929 1930
        /* read skip flags */
        if( skip ) {
1931
            if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
1932
                h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1933
                sl->next_mb_skipped = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y+1 );
1934
                if(!sl->next_mb_skipped)
1935
                    sl->mb_mbaff = sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1936 1937
            }

1938
            decode_mb_skip(h, sl);
1939 1940 1941

            h->cbp_table[mb_xy] = 0;
            h->chroma_pred_mode_table[mb_xy] = 0;
1942
            sl->last_qscale_diff = 0;
1943 1944 1945 1946 1947

            return 0;

        }
    }
1948
    if (FRAME_MBAFF(h)) {
1949
        if ((sl->mb_y & 1) == 0)
1950
            sl->mb_mbaff =
1951
            sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1952 1953
    }

1954
    sl->prev_mb_skipped = 0;
1955

1956
    fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1957

1958
    if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1959
        int ctx = 0;
1960
        av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1961

1962
        if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1963
            ctx++;
1964
        if (!IS_DIRECT(sl->top_type - 1))
1965 1966
            ctx++;

1967
        if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1968
            mb_type= 0; /* B_Direct_16x16 */
1969 1970
        }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
            mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1971
        }else{
1972
            int bits;
1973 1974 1975 1976
            bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
            bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
            bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
            bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1977 1978 1979
            if( bits < 8 ){
                mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
            }else if( bits == 13 ){
1980
                mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1981 1982 1983 1984 1985 1986
                goto decode_intra_mb;
            }else if( bits == 14 ){
                mb_type= 11; /* B_L1_L0_8x16 */
            }else if( bits == 15 ){
                mb_type= 22; /* B_8x8 */
            }else{
1987
                bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1988 1989
                mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
            }
1990
        }
1991 1992
            partition_count= b_mb_type_info[mb_type].partition_count;
            mb_type=         b_mb_type_info[mb_type].type;
1993
    } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
1994
        if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
1995
            /* P-type */
1996
            if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
1997
                /* P_L0_D16x16, P_8x8 */
1998
                mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
1999 2000
            } else {
                /* P_L0_D8x16, P_L0_D16x8 */
2001
                mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2002 2003 2004 2005
            }
            partition_count= p_mb_type_info[mb_type].partition_count;
            mb_type=         p_mb_type_info[mb_type].type;
        } else {
2006
            mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2007 2008 2009
            goto decode_intra_mb;
        }
    } else {
2010
        mb_type = decode_cabac_intra_mb_type(sl, 3, 1);
2011
        if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type)
2012
            mb_type--;
2013
        av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_I);
2014 2015 2016
decode_intra_mb:
        partition_count = 0;
        cbp= i_mb_type_info[mb_type].cbp;
2017
        sl->intra16x16_pred_mode = i_mb_type_info[mb_type].pred_mode;
2018 2019
        mb_type= i_mb_type_info[mb_type].type;
    }
2020
    if (MB_FIELD(sl))
2021 2022
        mb_type |= MB_TYPE_INTERLACED;

2023
    h->slice_table[mb_xy] = sl->slice_num;
2024 2025

    if(IS_INTRA_PCM(mb_type)) {
2026 2027
        const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
                            h->sps.bit_depth_luma >> 3;
2028 2029 2030 2031 2032
        const uint8_t *ptr;

        // We assume these blocks are very rare so we do not optimize it.
        // FIXME The two following lines get the bitstream position in the cabac
        // decode, I think it should be done by a function in cabac.h (or cabac.c).
2033 2034
        ptr= sl->cabac.bytestream;
        if(sl->cabac.low&0x1) ptr--;
2035
        if(CABAC_BITS==16){
2036
            if(sl->cabac.low&0x1FF) ptr--;
2037 2038 2039
        }

        // The pixels are stored in the same order as levels in h->mb array.
2040
        if ((int) (sl->cabac.bytestream_end - ptr) < mb_size)
2041
            return -1;
2042
        sl->intra_pcm_ptr = ptr;
2043
        ptr += mb_size;
2044

2045
        ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
2046 2047

        // All blocks are present
2048
        h->cbp_table[mb_xy] = 0xf7ef;
2049 2050
        h->chroma_pred_mode_table[mb_xy] = 0;
        // In deblocking, the quantizer is 0
2051
        h->cur_pic.qscale_table[mb_xy] = 0;
2052
        // All coeffs are present
2053
        memset(h->non_zero_count[mb_xy], 16, 48);
2054
        h->cur_pic.mb_type[mb_xy] = mb_type;
2055
        sl->last_qscale_diff = 0;
2056 2057 2058
        return 0;
    }

2059
    fill_decode_caches(h, sl, mb_type);
2060 2061 2062 2063

    if( IS_INTRA( mb_type ) ) {
        int i, pred_mode;
        if( IS_INTRA4x4( mb_type ) ) {
2064
            if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2065 2066
                mb_type |= MB_TYPE_8x8DCT;
                for( i = 0; i < 16; i+=4 ) {
2067
                    int pred = pred_intra_mode(h, sl, i);
2068
                    int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2069
                    fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2070 2071 2072
                }
            } else {
                for( i = 0; i < 16; i++ ) {
2073
                    int pred = pred_intra_mode(h, sl, i);
2074
                    sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2075

2076
                    ff_tlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2077
                            sl->intra4x4_pred_mode_cache[scan8[i]]);
2078 2079
                }
            }
2080 2081
            write_back_intra_pred_mode(h, sl);
            if (ff_h264_check_intra4x4_pred_mode(h, sl) < 0 ) return -1;
2082
        } else {
2083
            sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, sl, sl->intra16x16_pred_mode, 0);
2084
            if (sl->intra16x16_pred_mode < 0) return -1;
2085
        }
2086
        if(decode_chroma){
2087
            h->chroma_pred_mode_table[mb_xy] =
2088
            pred_mode                        = decode_cabac_mb_chroma_pre_mode(h, sl);
2089

2090
            pred_mode= ff_h264_check_intra_pred_mode(h, sl, pred_mode, 1 );
2091
            if( pred_mode < 0 ) return -1;
2092
            sl->chroma_pred_mode = pred_mode;
2093
        } else {
2094
            sl->chroma_pred_mode = DC_128_PRED8x8;
2095 2096 2097 2098
        }
    } else if( partition_count == 4 ) {
        int i, j, sub_partition_count[4], list, ref[2][4];

2099
        if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2100
            for( i = 0; i < 4; i++ ) {
2101
                sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2102 2103
                sub_partition_count[i] = b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
                sl->sub_mb_type[i]     = b_sub_mb_type_info[sl->sub_mb_type[i]].type;
2104
            }
2105 2106
            if (IS_DIRECT(sl->sub_mb_type[0] | sl->sub_mb_type[1] |
                          sl->sub_mb_type[2] | sl->sub_mb_type[3])) {
2107 2108 2109 2110 2111
                ff_h264_pred_direct_motion(h, sl, &mb_type);
                sl->ref_cache[0][scan8[4]] =
                sl->ref_cache[1][scan8[4]] =
                sl->ref_cache[0][scan8[12]] =
                sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2112
                    for( i = 0; i < 4; i++ )
2113
                        fill_rectangle(&sl->direct_cache[scan8[4*i]], 2, 2, 8, (sl->sub_mb_type[i] >> 1) & 0xFF, 1);
2114 2115 2116
            }
        } else {
            for( i = 0; i < 4; i++ ) {
2117
                sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2118 2119
                sub_partition_count[i] = p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
                sl->sub_mb_type[i]     = p_sub_mb_type_info[sl->sub_mb_type[i]].type;
2120 2121 2122
            }
        }

2123
        for( list = 0; list < sl->list_count; list++ ) {
2124
                for( i = 0; i < 4; i++ ) {
2125 2126
                    if(IS_DIRECT(sl->sub_mb_type[i])) continue;
                    if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2127 2128
                        unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
                        if (rc > 1) {
2129
                            ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
2130 2131
                            if (ref[list][i] >= rc) {
                                av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
2132 2133 2134 2135 2136 2137 2138
                                return -1;
                            }
                        }else
                            ref[list][i] = 0;
                    } else {
                        ref[list][i] = -1;
                    }
2139 2140
                    sl->ref_cache[list][scan8[4 * i] + 1] =
                    sl->ref_cache[list][scan8[4 * i] + 8] = sl->ref_cache[list][scan8[4 * i] + 9] = ref[list][i];
2141 2142 2143 2144
                }
        }

        if(dct8x8_allowed)
2145
            dct8x8_allowed = get_dct8x8_allowed(h, sl);
2146

2147
        for (list = 0; list < sl->list_count; list++) {
2148
            for(i=0; i<4; i++){
2149
                sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2150
                if(IS_DIRECT(sl->sub_mb_type[i])){
2151
                    fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2152 2153 2154
                    continue;
                }

2155 2156
                if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
                    const int sub_mb_type= sl->sub_mb_type[i];
2157 2158 2159 2160 2161
                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
                    for(j=0; j<sub_partition_count[i]; j++){
                        int mpx, mpy;
                        int mx, my;
                        const int index= 4*i + block_width*j;
2162
                        int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2163
                        uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2164
                        pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
2165
                        DECODE_CABAC_MB_MVD(sl, list, index)
2166
                        ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2167 2168 2169 2170 2171 2172 2173 2174

                        if(IS_SUB_8X8(sub_mb_type)){
                            mv_cache[ 1 ][0]=
                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
                            mv_cache[ 1 ][1]=
                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;

                            mvd_cache[ 1 ][0]=
2175
                            mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2176
                            mvd_cache[ 1 ][1]=
2177
                            mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2178 2179 2180 2181
                        }else if(IS_SUB_8X4(sub_mb_type)){
                            mv_cache[ 1 ][0]= mx;
                            mv_cache[ 1 ][1]= my;

2182 2183
                            mvd_cache[ 1 ][0]=  mpx;
                            mvd_cache[ 1 ][1]= mpy;
2184 2185 2186 2187
                        }else if(IS_SUB_4X8(sub_mb_type)){
                            mv_cache[ 8 ][0]= mx;
                            mv_cache[ 8 ][1]= my;

2188 2189
                            mvd_cache[ 8 ][0]= mpx;
                            mvd_cache[ 8 ][1]= mpy;
2190 2191 2192 2193
                        }
                        mv_cache[ 0 ][0]= mx;
                        mv_cache[ 0 ][1]= my;

2194 2195
                        mvd_cache[ 0 ][0]= mpx;
                        mvd_cache[ 0 ][1]= mpy;
2196 2197
                    }
                }else{
2198
                    fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2199
                    fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2200 2201 2202 2203
                }
            }
        }
    } else if( IS_DIRECT(mb_type) ) {
2204
        ff_h264_pred_direct_motion(h, sl, &mb_type);
2205 2206
        fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
        fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2207 2208
        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
    } else {
2209
        int list, i;
2210
        if(IS_16X16(mb_type)){
2211
            for (list = 0; list < sl->list_count; list++) {
2212 2213
                if(IS_DIR(mb_type, 0, list)){
                    int ref;
2214 2215
                    unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
                    if (rc > 1) {
2216
                        ref= decode_cabac_mb_ref(sl, list, 0);
2217 2218
                        if (ref >= rc) {
                            av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2219 2220 2221 2222
                            return -1;
                        }
                    }else
                        ref=0;
2223
                    fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2224
                }
2225
            }
2226
            for (list = 0; list < sl->list_count; list++) {
2227
                if(IS_DIR(mb_type, 0, list)){
2228
                    int mx,my,mpx,mpy;
2229
                    pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
2230
                    DECODE_CABAC_MB_MVD(sl, list, 0)
2231
                    ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2232

2233
                    fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2234
                    fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2235
                }
2236 2237 2238
            }
        }
        else if(IS_16X8(mb_type)){
2239
            for (list = 0; list < sl->list_count; list++) {
2240 2241 2242
                    for(i=0; i<2; i++){
                        if(IS_DIR(mb_type, i, list)){
                            int ref;
2243 2244
                            unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
                            if (rc > 1) {
2245
                                ref= decode_cabac_mb_ref(sl, list, 8 * i);
2246 2247
                                if (ref >= rc) {
                                    av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2248 2249 2250 2251
                                    return -1;
                                }
                            }else
                                ref=0;
2252
                            fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2253
                        }else
2254
                            fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2255 2256
                    }
            }
2257
            for (list = 0; list < sl->list_count; list++) {
2258 2259
                for(i=0; i<2; i++){
                    if(IS_DIR(mb_type, i, list)){
2260
                        int mx,my,mpx,mpy;
2261
                        pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2262
                        DECODE_CABAC_MB_MVD(sl, list, 8*i)
2263
                        ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2264

2265
                        fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2266
                        fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2267
                    }else{
2268
                        fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2269
                        fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2270 2271 2272 2273
                    }
                }
            }
        }else{
2274
            av_assert2(IS_8X16(mb_type));
2275
            for (list = 0; list < sl->list_count; list++) {
2276 2277 2278
                    for(i=0; i<2; i++){
                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
                            int ref;
2279 2280
                            unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
                            if (rc > 1) {
2281
                                ref = decode_cabac_mb_ref(sl, list, 4 * i);
2282 2283
                                if (ref >= rc) {
                                    av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2284 2285 2286 2287
                                    return -1;
                                }
                            }else
                                ref=0;
2288
                            fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2289
                        }else
2290
                            fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2291 2292
                    }
            }
2293
            for (list = 0; list < sl->list_count; list++) {
2294 2295
                for(i=0; i<2; i++){
                    if(IS_DIR(mb_type, i, list)){
2296
                        int mx,my,mpx,mpy;
2297
                        pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2298
                        DECODE_CABAC_MB_MVD(sl, list, 4*i)
2299

2300
                        ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2301
                        fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2302
                        fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2303
                    }else{
2304
                        fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2305
                        fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2306 2307 2308 2309 2310 2311 2312 2313
                    }
                }
            }
        }
    }

   if( IS_INTER( mb_type ) ) {
        h->chroma_pred_mode_table[mb_xy] = 0;
2314
        write_back_motion(h, sl, mb_type);
2315 2316 2317
   }

    if( !IS_INTRA16x16( mb_type ) ) {
2318
        cbp  = decode_cabac_mb_cbp_luma(sl);
2319
        if(decode_chroma)
2320
            cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2321 2322
    } else {
        if (!decode_chroma && cbp>15) {
2323
            av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2324 2325
            return AVERROR_INVALIDDATA;
        }
2326 2327
    }

2328
    h->cbp_table[mb_xy] = sl->cbp = cbp;
2329 2330

    if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2331
        mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size]);
2332
    }
2333 2334 2335

    /* It would be better to do this in fill_decode_caches, but we don't know
     * the transform mode of the current macroblock there. */
2336
    if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2337
        int i;
2338
        uint8_t *nnz_cache = sl->non_zero_count_cache;
2339
        for (i = 0; i < 2; i++){
2340
            if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2341 2342 2343 2344 2345 2346
                nnz_cache[3+8* 1 + 2*8*i]=
                nnz_cache[3+8* 2 + 2*8*i]=
                nnz_cache[3+8* 6 + 2*8*i]=
                nnz_cache[3+8* 7 + 2*8*i]=
                nnz_cache[3+8*11 + 2*8*i]=
                nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2347 2348
            }
        }
2349
        if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2350
            uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2351 2352 2353
            AV_WN32A(&nnz_cache[4+8* 0], top_empty);
            AV_WN32A(&nnz_cache[4+8* 5], top_empty);
            AV_WN32A(&nnz_cache[4+8*10], top_empty);
2354 2355
        }
    }
2356
    h->cur_pic.mb_type[mb_xy] = mb_type;
2357 2358

    if( cbp || IS_INTRA16x16( mb_type ) ) {
2359
        const uint8_t *scan, *scan8x8;
2360 2361 2362
        const uint32_t *qmul;

        if(IS_INTERLACED(mb_type)){
2363 2364
            scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
            scan    = sl->qscale ? h->field_scan : h->field_scan_q0;
2365
        }else{
2366 2367
            scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
            scan    = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2368 2369
        }

2370
        // decode_cabac_mb_dqp
2371
        if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2372 2373
            int val = 1;
            int ctx= 2;
2374
            const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2375

2376
            while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2377 2378
                ctx= 3;
                val++;
2379
                if(val > 2*max_qp){ //prevent infinite loop
2380
                    av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", sl->mb_x, sl->mb_y);
2381 2382 2383 2384 2385 2386 2387 2388
                    return -1;
                }
            }

            if( val&0x01 )
                val=   (val + 1)>>1 ;
            else
                val= -((val + 1)>>1);
2389
            sl->last_qscale_diff = val;
2390 2391 2392 2393
            sl->qscale += val;
            if (((unsigned)sl->qscale) > max_qp){
                if (sl->qscale < 0) sl->qscale += max_qp + 1;
                else                sl->qscale -= max_qp + 1;
Michael Niedermayer's avatar
Michael Niedermayer committed
2394
            }
2395 2396
            sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
            sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
2397
        }else
2398
            sl->last_qscale_diff=0;
2399

2400
        decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2401
        if (CHROMA444(h)) {
2402 2403
            decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
            decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2404
        } else if (CHROMA422(h)) {
2405 2406
            if( cbp&0x30 ){
                int c;
2407
                for (c = 0; c < 2; c++)
2408
                    decode_cabac_residual_dc_422(h, sl, sl->mb + ((256 + 16*16*c) << pixel_shift), 3,
2409 2410
                                                 CHROMA_DC_BLOCK_INDEX + c,
                                                 chroma422_dc_scan, 8);
2411 2412
            }

2413
            if( cbp&0x20 ) {
2414
                int c, i, i8x8;
2415
                for( c = 0; c < 2; c++ ) {
2416
                    int16_t *mb = sl->mb + (16*(16 + 16*c) << pixel_shift);
2417
                    qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2418
                    for (i8x8 = 0; i8x8 < 2; i8x8++) {
2419 2420
                        for (i = 0; i < 4; i++) {
                            const int index = 16 + 16 * c + 8*i8x8 + i;
2421
                            decode_cabac_residual_nondc(h, sl, mb, 4, index, scan + 1, qmul, 15);
2422 2423
                            mb += 16<<pixel_shift;
                        }
2424
                    }
2425
                }
2426
            } else {
2427 2428
                fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
                fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2429
            }
2430
        } else /* yuv420 */ {
2431 2432
            if( cbp&0x30 ){
                int c;
2433
                for (c = 0; c < 2; c++)
2434
                    decode_cabac_residual_dc(h, sl, sl->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2435 2436
            }

2437 2438 2439
            if( cbp&0x20 ) {
                int c, i;
                for( c = 0; c < 2; c++ ) {
2440
                    qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2441 2442
                    for( i = 0; i < 4; i++ ) {
                        const int index = 16 + 16 * c + i;
2443
                        decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2444
                    }
2445
                }
2446
            } else {
2447 2448
                fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
                fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2449 2450 2451
            }
        }
    } else {
2452 2453 2454
        fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
        fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
        fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2455
        sl->last_qscale_diff = 0;
2456 2457
    }

2458
    h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2459
    write_back_non_zero_count(h, sl);
2460 2461 2462

    return 0;
}